Luís Oliveira  wrote:

<http://www.clisp.org/impnotes/dffi.html#dffi-callback-mem> suggests that the 
trampolines for anonymous foreign callbacks are simply leaked. Is that an 
accurate interpretation?

No, reread-the paragraph starting with:
"You can use FFI:FOREIGN-FREE to free the trampoline associated with a 
FFI:FOREIGN-FUNCTION object, ..."

The paragraph explains that it's not trivial to grab the exact object 
corresponding to the trampoline. If you don't grab it, it will leak.

Regards,
 Jörg Höhle
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